Once harm is _______ to the eco-system, all species will ________, including man
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| Once harm is _______ to the eco-system, all species will ________, including man himself. |
| [ ] |
A. made; be in danger
B. done; be dangerous
C. caused; be endangered
D. done; be in danger |
答案
| D |
举一反三
| I don"t think the change of timetable will _____ our plan much. |
| [ ] |
A. effect
B. affect
C. be affected
D. be effected |
It has not been decided who will ______ to the post of chairman of the board, the former
holder of which succeeded ______the company world famous. |
| [ ] |
A. hold; to make
B. succeed; in making
C. stick; making
D. lead; to make |
| Fur coats are good means to ______ people from frost bites in cold winter. |
| [ ] |
A. stop
B. prevent
C. protect
D. keep |
World Wildlife Fund ______very much the efforts that China has made to protect endangered
species from being further endangered. |
| [ ] |
A. enjoys
B. prefers
C. loves
D. appreciates |
The procedures(程序) of operating a computer have been ______ several times, the results
of which have made it much easier _______. |
| [ ] |
A. cut down; to operate
B. simplified; to be operated
C. reduced; to be operated
D. simplified; to operate |
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